DSR Reference 250ml Reference liquid for hobby saltwater testing and testing devices
Reference fluid to test hobby saltwater and devices. Close lid immediately to prevent evaporation.
Sal: 33ppt / KH / Alk = 9.6dH / Ca = 495 / Mg = 1350 / K = 405 / Sr = 10 / B = 4 / I = 0.08 / PO4 = 0.08 / NO3 = 2 / (PH8,1 Non-buffered).
Always discard the first 10 drops before each use.